CN108480583A - A kind of strand centralising device of walking cooling bank - Google Patents
A kind of strand centralising device of walking cooling bank Download PDFInfo
- Publication number
- CN108480583A CN108480583A CN201810496321.3A CN201810496321A CN108480583A CN 108480583 A CN108480583 A CN 108480583A CN 201810496321 A CN201810496321 A CN 201810496321A CN 108480583 A CN108480583 A CN 108480583A
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- servobcylinder
- valve
- way
- hydraulic control
- personal computer
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- 238000001816 cooling Methods 0.000 title claims abstract description 33
- 238000009749 continuous casting Methods 0.000 claims abstract description 39
- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002828 fuel tank Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 19
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000006880 cross-coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1284—Horizontal removing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention discloses a kind of strand centralising devices of walking cooling bank, it includes moving stop, baffle position regulating mechanism and industrial personal computer, the baffle position regulating mechanism includes servoBcylinder and displacement sensor, the cylinder body of the servoBcylinder, which is fixed on, unloads blank roller way end, the piston rod of servoBcylinder is parallel to the conveying direction for unloading blank roller way and opposite with the continuous casting billet unloaded on blank roller way, the control valve group of servoBcylinder is controlled by industrial personal computer, the moving stop is fixed on the piston rod of servoBcylinder, institute's displacement sensors are mounted on the piston rod of servoBcylinder, the signal output end of displacement sensor connects the input terminal of industrial personal computer.The present apparatus calculates the ideal position of moving stop according to the size for the continuous casting billet to be produced, and then servoBcylinder is utilized to adjust the position of moving stop, realizes the precise alignment of continuous casting billet.The device control range is big, and degree of regulation is high, speed is fast, has well solved cold bed load weighting problem, has been suitable for the production occasion of frequent changes product specification.
Description
Technical field
The center of different size continuous casting billet and walking cooling bank longitudinal centre line can be made automatically right the present invention relates to a kind of
Neat device, belongs to technical field of metallurgical machinery.
Background technology
The knockout system of conticaster is the important equipment of steel smelting-continuous casting technique, and main includes unloading blank roller way, laterally moving steel vehicle
And walking cooling bank.Continuous casting billet from conveyer roller bed, which initially enters, unloads blank roller way, by unloading consolidating for blank roller way end
After determining baffle alignment, then by laterally moving steel vehicle continuous casting billet is shifted onto on walking cooling bank.Conticaster walking cooling bank is lateral
The size of frame is designed according to the size of the fertile longest continuous casting billet of conticaster, when conticaster produces longest continuous casting billet
When, longest continuous casting billet is aligned by determining baffle, then by laterally moving after steel vehicle shifts onto on walking cooling bank, walking cooling bank is longitudinal
The weight of the continuous casting billet of center line both sides is just equal, but when conticaster produces the continuous casting billet of other specifications, and stepping overturning is cold
The weight of the continuous casting billet of bed longitudinal centre line both sides with regard to unequal, walking cooling bank in the process of running will disequilibrium,
Walking cooling bank laod unbalance just deforms the general frame of cold bed, the fang bolt cut-out that longeron is connected with crossbeam,
The lifting hydraulic cylinder of cold bed, piston a direction serious wear of traversing hydraulic cylinder are driven, causes hydraulic cylinder interior leakage, and then cause
Strand on walking cooling bank is walked tiltedly or walking cooling bank can not operate normally, and for such case, each steel mill is usual
The method of use has：
One, increase counterweight on walking cooling bank
When continuous casting billet of the conticaster production compared with small dimension, continuous casting billet is aligned by fixed baffle, then pushes to walk by laterally moving steel vehicle
Into after turn over cooling bed, the side of walking cooling bank longitudinal centre line is necessarily laid particular stress on, and is increased at this time in the side of short weight according to measuring and calculating
Add counterweight, you can the both sides of cold bed longitudinal centre line is made to reach balance.The shortcomings that this method, is needed in walking cooling bank
On frequently place and take down counterweight, not only increase the workload of worker, and the measuring and calculating of counterweight and lay certain error.
Two, adjustable end stop is installed before the fixed baffle for unloading blank roller way end
Adjustable end stop is typically mounted between two rollers for unloading blank roller way, can only make center and the stepping of a kind of continuous casting billet of specification
Turn over cooling bed longitudinal centre line is aligned, and when the continuous casting billet specification for needing to produce is more, walking cooling bank still will appear partially
The phenomenon of weight, has certain limitation in this way.
Three, by staff to unloading the car backing operation centering of the continuous casting billet on blank roller way
When the smaller continuous casting billet of conticaster production specification, after continuous casting billet is aligned by fixed baffle, staff is to unloading blank roller way
On continuous casting billet carry out car backing operation, after estimating centering, then by laterally moving steel vehicle continuous casting billet is pushed into walking cooling bank.It is this
Method is fairly simple, but since the staff of operating room away from scene has a certain distance, range estimation has certain error, stepping overturning cold
Bed is laid particular stress on phenomenon and is still remained to a certain extent, while increasing the workload of staff.
Invention content
It is an object of the invention to be directed to the drawback of the prior art, a kind of strand centering dress of walking cooling bank is provided
It sets, thoroughly to solve the problems, such as that walking cooling bank loads weighting.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of strand centralising device of walking cooling bank, composition include moving stop, baffle position regulating mechanism and industry control
Machine, the baffle position regulating mechanism include servoBcylinder and displacement sensor, and the cylinder body of the servoBcylinder passes through servoBcylinder pedestal
Be fixed on and unload blank roller way end, the piston rod of servoBcylinder be parallel to the conveying direction for unloading blank roller way and with the continuous casting that unloads on blank roller way
Base is opposite, and the control valve group of servoBcylinder is controlled by industrial personal computer, and the moving stop is fixed on the piston rod of servoBcylinder, institute's rheme
Displacement sensor is mounted on the piston rod of servoBcylinder, and the signal output end of displacement sensor connects the input terminal of industrial personal computer.
The strand centralising device of above-mentioned walking cooling bank, the control valve group of the servoBcylinder include servo valve, two four
Logical reversal valve and three hydraulic control one-way valves, the P mouths of the servo valve meet pressure oil, T mouthfuls of connected tanks, A through the first hydraulic control one-way valve
Mouthful and B mouthfuls respectively through the rod chamber and rodless cavity of the second hydraulic control one-way valve and third hydraulic control one-way valve and servoBcylinder connection, it is described
The P mouths of two-position four way change valve connect pressure oil, and T mouthfuls take back oil pipe, and the A mouthfuls of L mouths for connecing three hydraulic control one-way valves, B mouthfuls connect three liquid
The control terminal of the X mouths of control check valve, servo valve and two-position four way change valve is connect with industrial personal computer.
The strand centralising device of above-mentioned walking cooling bank, the baffle position regulating mechanism setting is multiple, they are shared
One moving stop is simultaneously corresponding with each stream caster base of the knockout system of conticaster respectively.
The strand centralising device of above-mentioned walking cooling bank, the control valve group of the servoBcylinder further include overflow valve and unidirectional
Valve, the oil inlet of the overflow valve connect the rodless cavity of servoBcylinder, oil outlet connect with the oil inlet of check valve after by oil pipe with
Fuel tank is connected, and the oil outlet of the check valve and the rod chamber of servoBcylinder connect.
The industrial personal computer of the present apparatus calculates the ideal position of moving stop according to the size for the continuous casting billet to be produced, then
The position that moving stop is adjusted using servoBcylinder, realizes the precise alignment of continuous casting billet.The device control range is big, degree of regulation
Height, speed are fast, have well solved cold bed load weighting problem, have been suitable for the production occasion of frequent changes product specification.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the site layout project figure of the moving stop and servoBcylinder of the present invention；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the hydraulic schematic diagram of every one stream.
In figure respectively marked as：1, moving stop, 2, servoBcylinder, 3, servoBcylinder pedestal, 4, displacement sensor, 5, overflow valve,
6, check valve, 7, third hydraulic control one-way valve, 8, two-position four way change valve, the 9, first hydraulic control one-way valve, 10, servo valve, 11, second
Hydraulic control one-way valve.
Specific implementation mode
The center of different size continuous casting billet and walking cooling bank longitudinal centre line can be made automatic the present invention provides a kind of
The device of alignment, the device can effectively eliminate cold bed load weighting problem, improve walking cooling bank control accuracy, eliminate and synchronize
Error.
Referring to Fig. 1, Fig. 2 and Fig. 3, the invention mainly comprises industrial personal computer, moving stop 1 and baffle position regulating mechanism,
In, baffle position regulating mechanism includes servoBcylinder 2, servoBcylinder pedestal 3, displacement sensor 4, overflow valve 5,6, two four, check valve
Logical reversal valve 8, servo valve 10, the first hydraulic control one-way valve 9, the second hydraulic control one-way valve 11, third hydraulic control one-way valve 7.
The invention will be further described by taking six machines, six strand casting machine as an example below.
As shown, six machines, six strand casting machine is fitted with servoBcylinder 2, each servoBcylinder 2 per first-class blank roller way end of unloading
On a servoBcylinder pedestal 3, the piston rod of six servoBcylinders 2 passes through servoBcylinder connector and common 1 phase of moving stop
Connection, each stream hydraulic system be it is identical, by servoBcylinder 2, overflow valve 5, check valve 6, third hydraulic control one-way valve 7,
Two-position four way change valve 8, the first hydraulic control one-way valve 9, servo valve 10, the second hydraulic control one-way valve 11, displacement sensor 4 form, and overflow
Stream valve 5 is mounted on the oil circuit being connected with the rodless cavity of servoBcylinder 2.
Moving stop 1 is moved to designated position by industrial personal computer by baffle position regulating mechanism, works as conveyer roller bed
The continuous casting billet come is into after unloading blank roller way, after the moving stop 1 by unloading blank roller way end is aligned, by laterally moving steel handlebar continuous casting billet
It shifts onto on cold bed.Moving stop can be applied to the knockout system of multiple-strand caster, servoBcylinder is fitted with per one stream, per one stream
ServoBcylinder is all connected by servoBcylinder connector with moving stop 1, and displacement sensing is fitted on the piston rod of each servoBcylinder
Device, each displacement signal for flowing displacement sensor on servoBcylinder feed back to industrial personal computer, the servo valve control signal of output, respectively to each
It flows servoBcylinder and carries out closed-loop control.The stroke of servoBcylinder is set according to the stroke of required servoBcylinder when producing most short scale continuous casting billet
Meter.The movement of six servoBcylinders of six streams intercouples, using etc. states cross-coupling control, can be by each servo
The output feedback of cylinder to each servoBcylinder control signal so that system have more preferably tracking performance and it is synchronous control
Performance processed.
When first continuous casting billet hits moving stop 1, the high pressure that 2 rodless cavity moment of first servoBcylinder generates is more than
When the set pressure of first overflow valve 5, high pressure oil will be leaked to oil return line from overflow valve 5.Third hydraulic control one-way valve 7 with
Second hydraulic control one-way valve 11 to servoBcylinder 2 for carrying out self-locking in process of production.Servo valve 10 is used to receive the finger of industrial personal computer
Enable control 2 piston rod of servoBcylinder stretching and retract, the first hydraulic control one-way valve 9 be used for control the high pressure oil for leading to servo valve 10
The break-make on road, two-position four way change valve 8 are used for the selection of pattern.When 8 electromagnet 1DT of two-position four way change valve must not be electric, first
Hydraulic control one-way valve 9 shuts off the high-pressure oil passage of servo valve 10, while the second hydraulic control one-way valve 11, third hydraulic control one-way valve 7 are certainly
The hydraulic oil of lock, 2 rod chamber of servoBcylinder and rodless cavity is locked, and first-class flapper hydraulic system is in locking mode, two four
When logical 8 electromagnet 1DT of reversal valve obtains electric, the first hydraulic control one-way valve 9 is connected to the high-pressure oil passage of servo valve 10, while the second hydraulic control list
It is opened to valve 11, third hydraulic control one-way valve 7 by controlling oil circuit, first-class flapper hydraulic system is in latching mode, is servo
Valve 10 drives servoBcylinder 2 to get ready.
The composition and function and first-class identical of the hydraulic system of second, third stream, the 4th stream, the 5th stream, the 6th stream.
Illustrate the workflow of the present invention by taking six machines, six strand casting machine as an example below；
1, the preparation stage before baffle position adjustment（Hydraulic system unlocks）
The electromagnet 1DT of the two-position four way change valve 8 of six stream obtains electric, the first hydraulic control one-way valve 9, second in six streams simultaneously
Hydraulic control one-way valve 11, third hydraulic control one-way valve 7 are opened, and the hydraulic system of each stream is in latching mode.
2, the baffle position adjusting stage（Servo valve 10 controls servoBcylinder 2, moving stop 1 works）
Industrial personal computer calculates the position of moving stop 1 according to the strand scale to be produced, and command signal is transmitted to every one stream
Servo valve 10, while control each servoBcylinder 2 drive moving stop 1 reach designated position.
3, moving stop connects base working stage（Hydraulic system locks, and baffle connects base）
After moving stop 1 reaches designated position, the two-position four way change valve 8 while dead electricity of six stream, the first hydraulic control one-way valve 9,
Second hydraulic control one-way valve 11, third hydraulic control one-way valve 7 are locked.Illustrate that continuous casting billet bumps against the feelings of moving stop for first-class
Condition：When first strand is bumped against on moving stop 1, the liquid that is enclosed in the rod chamber and rodless cavity of first servoBcylinder 2
Pressure oil works as a buffer, and when first strand bumps against on moving stop 1, the instantaneous high pressure generated in 2 rodless cavity of servoBcylinder is big
When 5 preset pressure of overflow valve, the high pressure oil inside 2 rodless cavity of servoBcylinder will be leaked to from overflow valve 5 in oil return line,
The hydraulic oil in oil return line will open check valve 6 and enter inside 2 rod chamber of servoBcylinder simultaneously.Other five stream connect base
Situation with it is first-class as, after the continuous casting billets of six of continuous casting streams are here, laterally move steel vehicle and six roots of sensation continuous casting billet come to shift onto
On walking cooling bank.
The present invention can accurately control the lengthwise centers of continuous casting billet online according to production technology by industrial personal computer, be allowed to
Cold bed longitudinal centre line is aligned, for physical length conticaster casting between fertile longest scale and most short scale
Base can realize precise alignment, suitable for the occasion more than often transformation scale specification and scale specification.
Claims (4)
1. a kind of strand centralising device of walking cooling bank, which is characterized in that composition includes moving stop（1）, baffle position
Regulating mechanism and industrial personal computer are set, the baffle position regulating mechanism includes servoBcylinder（2）And displacement sensor（4）, the servo
Cylinder（2）Cylinder body pass through servoBcylinder pedestal（3）It is fixed on and unloads blank roller way end, servoBcylinder（2）Piston rod be parallel to and unload base roller
The conveying direction in road simultaneously, servoBcylinder opposite with the continuous casting billet unloaded on blank roller way（2）Control valve group controlled by industrial personal computer, the shifting
Dynamic baffle（1）It is fixed on servoBcylinder（2）Piston rod on, institute's displacement sensors（4）Mounted on servoBcylinder（2）Piston rod
On, displacement sensor（4）Signal output end connect the input terminal of industrial personal computer.
2. the strand centralising device of walking cooling bank according to claim 1, which is characterized in that the servoBcylinder（2）
Control valve group include servo valve（10）, two-position four way change valve（8）With three hydraulic control one-way valves, the servo valve（10）P
Mouth is through the first hydraulic control one-way valve（9）Pressure oil is connect, T mouthfuls of connected tanks, A mouthfuls and B mouthfuls respectively through the second hydraulic control one-way valve（11）With
Three hydraulic control one-way valves（7）With servoBcylinder（2）Rod chamber connected with rodless cavity, the two-position four way change valve（8）P mouths connect pressure
Power oil, T mouthfuls take back oil pipe, the A mouthfuls of L mouths for connecing three hydraulic control one-way valves, the B mouthfuls of X mouths for connecing three hydraulic control one-way valves, servo valve（10）
And two-position four way change valve（8）Control terminal connect with industrial personal computer.
3. the strand centralising device of walking cooling bank according to claim 1 or 2, which is characterized in that the baffle position
It is multiple to set regulating mechanism setting, their shared moving stops（1）And respectively with each stream caster of the knockout system of conticaster
Base is corresponding.
4. the strand centralising device of walking cooling bank according to claim 3, which is characterized in that the servoBcylinder（2）
Control valve group further include overflow valve（5）And check valve（6）, the overflow valve（5）Oil inlet connect servoBcylinder（2）Without bar
Chamber, oil outlet and check valve（6）Oil inlet connect after be connected with fuel tank by oil pipe, the oil outlet of the check valve with watch
Take cylinder（2）Rod chamber connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810496321.3A CN108480583B (en) | 2018-05-22 | 2018-05-22 | Casting blank centering device of stepping overturning cooling bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810496321.3A CN108480583B (en) | 2018-05-22 | 2018-05-22 | Casting blank centering device of stepping overturning cooling bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108480583A true CN108480583A (en) | 2018-09-04 |
| CN108480583B CN108480583B (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810496321.3A Active CN108480583B (en) | 2018-05-22 | 2018-05-22 | Casting blank centering device of stepping overturning cooling bed |
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| Country | Link |
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| CN (1) | CN108480583B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894917A (en) * | 2019-05-06 | 2020-11-06 | 中冶京诚工程技术有限公司 | Hydraulic control device and system |
| CN112317548A (en) * | 2020-09-29 | 2021-02-05 | 南京钢铁股份有限公司 | Method for realizing cold bed blanking steel plate centering by using cold metal detector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5613390A (en) * | 1993-11-24 | 1997-03-25 | Kawasaki Steel Corporation | Corner reduction device equipped with corner rolls, control device thereof, and method of rolling by using these devices |
| CN102303102A (en) * | 2011-09-30 | 2012-01-04 | 中冶南方工程技术有限公司 | Continuous casting process and continuous casting machine for extra-thick plate blank |
| CN102581241A (en) * | 2012-02-27 | 2012-07-18 | 柳州钢铁股份有限公司 | Secondary automatic cutting system of continuous casting slab |
| CN202447622U (en) * | 2011-12-20 | 2012-09-26 | 鞍钢股份有限公司 | Centering device for conveying roll table for continuous casting blooms |
| CN104439141A (en) * | 2014-12-15 | 2015-03-25 | 中冶南方工程技术有限公司 | Adaptive slab centering unit and centering method thereof |
| CN208195603U (en) * | 2018-05-22 | 2018-12-07 | 宣化钢铁集团有限责任公司 | A kind of slab centralising device of walking cooling bank |
-
2018
- 2018-05-22 CN CN201810496321.3A patent/CN108480583B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5613390A (en) * | 1993-11-24 | 1997-03-25 | Kawasaki Steel Corporation | Corner reduction device equipped with corner rolls, control device thereof, and method of rolling by using these devices |
| CN102303102A (en) * | 2011-09-30 | 2012-01-04 | 中冶南方工程技术有限公司 | Continuous casting process and continuous casting machine for extra-thick plate blank |
| CN202447622U (en) * | 2011-12-20 | 2012-09-26 | 鞍钢股份有限公司 | Centering device for conveying roll table for continuous casting blooms |
| CN102581241A (en) * | 2012-02-27 | 2012-07-18 | 柳州钢铁股份有限公司 | Secondary automatic cutting system of continuous casting slab |
| CN104439141A (en) * | 2014-12-15 | 2015-03-25 | 中冶南方工程技术有限公司 | Adaptive slab centering unit and centering method thereof |
| CN208195603U (en) * | 2018-05-22 | 2018-12-07 | 宣化钢铁集团有限责任公司 | A kind of slab centralising device of walking cooling bank |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894917A (en) * | 2019-05-06 | 2020-11-06 | 中冶京诚工程技术有限公司 | Hydraulic control device and system |
| CN111894917B (en) * | 2019-05-06 | 2024-04-26 | 中冶京诚工程技术有限公司 | Hydraulic control device and system |
| CN112317548A (en) * | 2020-09-29 | 2021-02-05 | 南京钢铁股份有限公司 | Method for realizing cold bed blanking steel plate centering by using cold metal detector |
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| CN108480583B (en) | 2024-03-22 |
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